1 Linear Motion and Graphing

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Tags

NGSS.MS-PS3-1

What is the formula for speed? speed =

• distance / time

• time / distance

• direction / time

• direction / distance

Tags

NGSS.MS-PS3-1

If I walk 20 miles in 5 hours, what is my speed?

• 5 miles per hour

• 0.25 miles per hour

• 4 miles per hour

• 20 miles per hour

Tags

NGSS.MS-PS3-1

What is it called when the speed of an object does not change?

• average speed

• instantaneous speed

• constant speed

• decreasing speed

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed? v = d/t

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Tags

NGSS.MS-PS3-1

What is the total distance divided by the total time known as?

• average speed

• instantaneous speed

• constant speed

• total distance

A truck driving at 60 miles per hour travels 150 miles. How long is it driving for? Isolate and solve for time (t)

• 9000 hours

• 0.4 hours

• 210 hours

• 2.5 hours

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover? Isolate and solve for distance (d)

• 50 miles

• 25 miles

• 100 miles

• 75 miles

A car is stopped at a stoplight for 20 seconds. After the light turned green, the car traveled 500 meters in 50 seconds before having to stop at a second red light. The car stops a second time for 30 seconds.

What is the average speed of the car for the entire trip from red light to red light (after stopping the 2nd time)?

• 2 m/s

• 5 m/s

• 10 m/s

• 20 m/s

Tags

NGSS.MS-PS3-1

A car is stopped at a stoplight for 20 seconds. After the light turned green, the car traveled 500 meters in 50 seconds before having to stop at a second red light. The car stops a second time for 30 seconds.

What is the average speed of the car while it traveled 500 meters in 50 seconds?

• 2 m/s

• 5 m/s

• 10 m/s

• 20 m/s

Tags

NGSS.MS-PS3-1